Central Mexico, pre-Columbian. Sopes are pan-regional; huaraches are associated specifically with Mexico City street food culture; tlacoyos are characteristic of Central Mexican markets.
Sopes, huaraches, and tlacoyos are members of the antojito family — street food preparations made from masa that are thicker than tortillas, with shaped or pinched edges, and cooked first on the comal then partially fried or left dry. Sopes (also called pellizcadas or picadas by region) are 1cm thick discs, cooked on the comal, then pinched around the rim while still warm to create a shallow bowl that holds toppings. Huaraches (named for the sandal shape — an elongated oval, 20–30cm long) are a Mexico City street food staple, made from masa pressed or patted to a flat sandal shape, cooked on the comal until firm, then topped with refried beans, salsa, cheese, and protein. Tlacoyos are stuffed masa ovals — masa is formed around a filling of frijoles negros, requesón, habas (fava beans), or chicharrón and then pressed into an oval approximately 15cm long; cooked on the comal until both sides show comal marks. All three are cooked without oil on the comal first, creating a dry, somewhat firm exterior, before being finished with toppings.
The thicker masa gives sopes and huaraches a more substantial, starchy chew than tortillas, providing a platform for the layered flavours of refried beans, salsa, crema, and queso fresco.
Masa thickness distinguishes these from tortillas: 8–12mm for sopes, 6–8mm for huaraches and tlacoyos For sopes: pinch the rim while the masa is still warm and pliable — once cooled it will crack For tlacoyos: the masa must fully enclose the filling with no exposed seams — exposed filling burns on the comal Comal temperature is lower than for tortillas: the thicker masa requires more time to cook through without charring
Sopes can be pre-cooked and stored refrigerated for up to 3 days; reheat on the comal or in a dry pan before topping For the best huarache texture, cook until the exterior is firm and slightly blistered, then brush with a small amount of lard and return to the comal for 30 seconds per side Fill tlacoyos with requesón (Mexican ricotta) and epazote — one of the most flavour-precise fillings for showcasing masa character
Making the masa too thin — it will tear before it can be shaped and will not hold toppings Pinching sope rims when the masa has cooled — the pinched rim will crack off during service Sealing tlacoyo seams facing down on the comal — steam escapes and filling leaks
Rick Bayless, Mexico One Plate at a Time; Pati Jinich, Treasures of the Mexican Table